It's easy to think that Star Trek inspires either adoration or loathing  that you love it so much you say your wedding vows in Klingon, or you pity those who do. But most who have read even this far know there's another class of Trekker  the closeted ones. These are people who aren't telling co-workers they plan to see Star Trek: Nemesis, the 10th Trek film, which opened in the U.S. last week and debuts in Europe over the next few weeks. They won't admit they watch Enterprise, the sixth  sixth  TV series in the franchise....